Cas 103495-72-3,6-(butylideneamino)-1,3-dimethyl-5-(2-phenylethyl)uracil

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Check Digit Verification of cas no

The CAS Registry Mumber 103495-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,9 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103495-72:
(8*1)+(7*0)+(6*3)+(5*4)+(4*9)+(3*5)+(2*7)+(1*2)=113
113 % 10 = 3
So 103495-72-3 is a valid CAS Registry Number.

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103495-72-3Relevant academic research and scientific papers

Reactions of Uracils, 7. Synthesis and Novel Consecutive Thermal -Sigmatropic Rearrangements of 6-(Alkylamino)-5-ethenyluracils

Matyus, Peter,Zolyomi, Gabor,Eckhardt, Gert,Wamhoff, Heinrich

, p. 943 - 949 (2007/10/02)

Additional 6-(alkylamino)-5-ethenyluracils (2d, 7) have been prepared for investigating substituent effects in thermal reactions.Like 2a, upon heating in Dowtherm A 2d and 7 afford after saponification 6-amino-5-(ethoxycarbonylethyl)uracils 4 and 8, respectively.After refluxing in xylene the intermediary imines 11 and 12 can be isolated.Deuteration experiments reveal consecutive thermal H-migrations (2a-D1 -> 4-D1 and 4-D2; 2a'-D2 -> 4'-D1).The mechanism is discussed.

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